250-275mm Metric Outside Micrometer - 3203 Series (Insize)

The 3203 Series Outside Micrometer (250–275 mm range) is a precision measuring tool designed for engineers, machinists, buyers, tradespeople, hobbyists, and anyone who needs accurate external measurements. It features a clear 0.01 mm graduation and carbide measuring faces, delivering durable performance in busy machine shops and lasting tool life.

As the best‑selling Insize micrometer, it comes supplied with setting standards (except 0–25 mm) to speed calibration and ensure repeatable results, while its full range extends up to 300 mm to cover a wide variety of applications.

• 0.01 mm graduation for precise readings: Enables quick detection of small differences in external diameters with easy-to-read markings).
• Carbide measuring faces for extended tool life: Resists wear from daily use, maintaining accuracy and reducing replacement costs over time.
• Includes setting standards (except 0–25 mm): Speeds setup and calibration, delivering consistent measurements across parts and sessions.

This micrometer helps you streamline measurement workflows, reduce rework, and achieve reliable, repeatable results across a broad range of external dimensions—so you can trust your measurements and keep production moving smoothly.